What is an IPO? Full Form, Types, Process and Benefits

An Initial Public Offering, or IPO, is the first time an unlisted company offers its shares to the public. It gives investors an opportunity to become shareholders as the company enters the listed market. An IPO may include newly issued shares, shares sold by existing shareholders, or both.

A company whose products you use may announce an IPO, giving you a chance to look at the business as an investor. Understanding its offer price, application process and allotment rules helps you decide how the investment fits your goals.

What is an IPO in the stock market?

IPO stands for Initial Public Offering. An IPO in the stock market allows investors to apply for shares before those shares begin trading on a stock exchange.

The IPO meaning is the same in the share market: you are applying to become a shareholder in a company making its first public offer. If shares are allotted to you, they are credited to your demat account. Once listed, they can be bought and sold on the exchange, subject to applicable trading rules.

An IPO is an offering process rather than a separate type of stock. The shares represent ownership in the company.

Types of IPO

You can understand the types of IPO by looking at two things: how the shares are priced and whose shares are being offered.

Fixed-price offering and book-building offering

These two methods determine how an IPO’s shares are priced and how investors apply:

In a book-built mainboard IPO, eligible retail investors can choose the cut-off option. This means they agree to pay the final issue price determined within the price band.

The company determines the issue price in consultation with its merchant bankers. In a book-built IPO, bids help establish demand at different prices within the band. SEBI does not set the issue price.

If your specified bid price is below the final issue price, your bid is not eligible for allotment. An eligible cut-off bid avoids this price mismatch but does not guarantee shares.

The issue price is the price at which shares are allotted. The listing price is the price at which they begin trading on the exchange, and it can be higher or lower.

Sources: NSE, About Initial Public Offerings; SEBI, ICDR FAQs.

Fresh issue and offer for sale

The offer’s structure tells you whose shares are being sold and who receives the money:

An IPO can contain either component or a combination of both. A fresh issue brings money into the company, while an OFS allows existing shareholders to sell part of their investment. This distinction helps you understand what the offer is intended to achieve.

Source: SEBI, FAQs on Issue of Capital and Disclosure Requirements.

How an initial public offering works

The IPO process brings together the company, its advisers, regulators, stock exchanges and investors:

1. Appointing intermediaries: The company appoints merchant bankers and other intermediaries to organise the issue.
2. Preparing disclosures: Offer documents explain the business, financial statements, use of proceeds and relevant risks.
3. Regulatory review: The company completes the applicable SEBI and stock exchange requirements.
4. Announcing the offer: The issue dates, price or price band, lot size and application details are made available.
5. Receiving applications: Investors submit bids and authorise the blocking of application money.
6. Finalising allotment and listing: Shares are allotted, payment is collected for allotted shares, and trading begins after listing.

SEBI’s review concerns regulatory and disclosure requirements. It does not mean SEBI recommends the IPO or guarantees the company’s performance.

Sources: SEBI Investor, Book-building Process; SEBI, ICDR FAQs.

What are the different categories of IPO investors?

In Indian mainboard IPOs, investors are classified by their eligibility and application value. The principal categories are RIIs, NIIs and QIBs. Anchor investors form a subset of QIBs.

• Retail individual investors (RIIs): RIIs are individual investors, including eligible Hindu Undivided Families, whose IPO application value does not exceed ₹2 lakh.
• Non-institutional investors (NIIs): NIIs include individuals and eligible Hindu Undivided Families applying above ₹2 lakh, as well as eligible companies and other applicants that do not qualify as QIBs.
• Qualified institutional buyers (QIBs): QIBs meet the eligibility criteria specified by SEBI. Examples include SEBI-registered mutual funds, scheduled commercial banks, insurance companies and eligible pension funds.
• Anchor investors: Anchor investors are QIBs that bid before an IPO opens for public subscription. In book-built mainboard IPOs, their minimum application value is ₹10 crore. Their allocation comes from the QIB portion.

The allocation available to each category depends on the applicable issue route and the offer document.

Source: SEBI, ICDR Regulations, investor definitions and allocation provisions.

What is the IPO timeline?

Company preparation and regulatory review do not follow one fixed timetable for every IPO. For applicants, the main dates to check are the issue opening, issue closing, allotment and listing dates.

Under SEBI’s T+3 framework, listing takes place within three working days after the issue closes, with “T” representing the closing date.

Working days differ from calendar days. Check the offer’s published schedule for the relevant dates and application deadlines.

Source: SEBI, Master Circular for Issue of Capital and Disclosure Requirements, updated 9 February 2026, Chapter 11 and Annexure XXIII.

What is IPO subscription and how does it work?

IPO subscription refers to the number of times the shares offered by a company in an initial public offering (IPO) are bid for by investors. Subscription figures indicate the demand for the shares during the IPO bidding period. However, they do not indicate the future performance or potential returns of the company’s shares.

An IPO is oversubscribed when the total number of shares bid for exceeds the number of shares offered. For example, if an IPO offers 1 crore shares and receives bids for 5 crore shares, the IPO is subscribed 5x. This means investors have bid for shares equivalent to five times the number of shares offered.

An IPO is undersubscribed when the bids received are fewer than the shares offered. For example, a subscription of 0.8x means investors have bid for only 80% of the shares offered.

The figures shown are for illustrative purpose only

Total subscription and the subscription within your investor category can differ. For an individual applicant, demand within the relevant category matters to allotment.

How is IPO allotment decided?

IPO allotment is the process by which shares are distributed among investors who have submitted valid applications. The process depends on the number of shares available in each investor category and the demand received during the IPO.

For retail investors, allotment may depend significantly on the level of oversubscription. For example, suppose an IPO has 10 lakh shares reserved for retail investors and receives valid bids for 50 lakh shares. The retail portion is subscribed 5x. Since the number of shares bid for exceeds the shares available, every applicant may not receive the number of shares applied for.

If the number of eligible retail applicants exceeds the number of minimum lots available, successful applicants are selected through the prescribed lottery process and receive a minimum lot, while others receive no allotment.

A 5x subscription figure does not automatically mean every applicant has a one-in-five chance of allotment, because applicants may bid for different numbers of lots.

The key factors include:

• Shares available: The number of shares reserved for the retail category limits the shares that may be allotted to retail applicants.
• Valid applications: Only applications meeting the applicable requirements are considered for allotment.
• Demand: Higher demand relative to the shares available may reduce the probability of receiving an allotment.
• Basis of allotment: The registrar finalises the allotment according to the applicable rules and the basis approved for the IPO.

The figures shown are for illustrative purpose only

Source: SEBI, ICDR Regulations, Schedule XIV, retail allotment illustrations.

Why does a company offer an IPO?

An IPO can help a company finance its next stage of growth and give existing shareholders a way to sell some of their holdings:

• Business expansion: Fresh-issue proceeds can fund new facilities, technology, acquisitions or other disclosed plans.
• Debt repayment: The company may use fresh issue proceeds to reduce borrowings.
• Liquidity for shareholders: An OFS allows existing shareholders to sell shares through the offer.
• Access to public markets: Listing creates a market for the shares and brings ongoing disclosure obligations.

The objects of the issue section in the prospectus explains how the company intends to use fresh-issue proceeds. For an OFS, the proceeds go to the selling shareholders.

Advantages and disadvantages of investing in an IPO

An IPO offers access to a company at its public offering stage, with a few practical trade-offs to understand.

Advantages of IPO investment

The benefits of IPO investment relate to access, ownership and the information available before applying:

• Access at the offer stage: Investors can apply for shares before exchange trading begins.
• Participation in the business: Allotted shares give investors ownership in the company and exposure to its future performance.
• Detailed disclosures: Offer documents provide information about the business, finances, management and proposed offer.

The offer price does not automatically make the shares cheaper than they will be after listing.

Disadvantages of IPO investment

The main limitations concern allotment, valuation and how the shares perform after listing:

• Uncertain allotment: A valid application may still receive no shares when demand exceeds the available allocation.
• Price fluctuations: Shares can trade above or below the issue price after listing.
• Valuation differences: A familiar business can still be offered at a price that does not suit an investor’s assessment.
• Limited listed-market history: Investors cannot examine years of exchange-traded performance for a newly listed company.

Adding an IPO to a portfolio does not automatically improve diversification. That depends on the investments already held.

What are the eligibility criteria for an IPO?

Initial Public Offerings (IPOs) in India are regulated by the Securities and Exchange Board of India (SEBI), which sets specific eligibility conditions. These are put in place for investor protection and to ensure orderly market conduct.

These conditions mainly assess the company’s financial performance, business history, and regulatory compliance.

For a mainboard IPO under Regulation 6(1), selected financial requirements include:

• Net tangible assets of at least ₹3 crore in each of the preceding three full years.
• Average operating profit of at least ₹15 crore over the preceding three years, with operating profit in each of those years.
• Net worth of at least ₹1 crore in each of the preceding three full years.

These figures are assessed on a restated and consolidated basis. Generally, monetary assets must not exceed 50% of net tangible assets, unless the excess has been used or firmly committed for the business or project. This 50% restriction does not apply when the IPO consists entirely of an offer for sale.

An issuer that does not satisfy Regulation 6(1) may use the alternative book-building route under Regulation 6(2), subject to allotting at least 75% of the net offer to QIBs and meeting the other applicable conditions. If this minimum QIB allotment is not achieved, subscription money must be returned, with blocked application funds released where applicable.

Eligibility also includes regulatory restrictions concerning debarment, wilful defaulters, fraudulent borrowers and fugitive economic offenders. SME IPOs follow a separate framework.

Source: SEBI, ICDR Regulations, Regulations 5 and 6, consolidated version amended on 21 March 2026.

How to invest in an IPO in India

Applying for an IPO is easier to follow once you separate the application, payment authorisation and allotment stages:

1. Have the required accounts and details ready: Individual applicants generally need a PAN, demat account and an eligible bank account; a trading account is needed to sell shares on the exchange.
2. Read the offer details: Check the prospectus, application dates, price band, lot size and investor category.
3. Choose an application route: Apply through your bank’s ASBA facility or through an eligible intermediary using UPI.
4. Enter the bid: Provide the required details, quantity and price, or select cut-off where available.
5. Authorise the money block: For UPI applications, approve the mandate within the prescribed deadline and keep sufficient funds available.
6. Check allotment: Shares allotted to you are credited to your demat account, and the payment for those shares is debited.

ASBA means Application Supported by Blocked Amount. The application amount stays in your bank account but is blocked for use. Only the amount needed for allotted shares is debited; the unused amount is unblocked.

Use your own eligible bank account and UPI ID. Individual investors submitting applications of up to ₹5 lakh through specified intermediaries, such as registered stock brokers, must use UPI to block the application amount. You can also apply directly through your bank’s ASBA facility. The ₹5 lakh UPI limit does not change the mainboard retail category limit of ₹2 lakh.

Source: SEBI, FAQs on the use of UPI in public issues, questions 4, 6 and 10.

What should you check if your IPO application has a problem?

Small differences in application details can affect processing. Check that your PAN and demat details are correct, your bank account belongs to you, and sufficient funds are available for the application amount.

If a UPI mandate does not arrive, check the application status and contact the intermediary through which you applied. For problems with blocked or unblocked money, contact your bank; for allotment-related queries, contact the registrar to the issue.

Sources: NSE, e-IPO FAQs; SEBI, UPI FAQs.

How do SME IPO applications differ?

Mainboard retail rules should not be assumed to apply to SME IPOs. Under the revised SME bidding framework applicable to issues opening on or after 1 July 2025, the minimum individual application is two lots with an application value above ₹2 lakh. Cut-off bidding is unavailable, and downward bid modification and cancellation are not permitted.

Check the specific SME offer document before applying.

Source: NSE, Revised Bidding Process for SME IPOs.

Things to remember while investing in an IPO

The prospectus helps you assess initial public offering stocks by explaining the company’s business, finances and offer details.

Start with “Our business”, “Financial information”, “Objects of the offer”, “Basis for issue price” and “Risk factors”; the exact section names may vary between offer documents.

As you read, focus on these points:

• Understand how it earns money: Look at its products, customers, competitors and dependence on particular markets.
• Read the financial statements: Consider revenue, profits, cash flows and borrowings together.
• Review the valuation: Compare the offer price and relevant valuation measures with suitable listed peers.
• Check the offer structure: Understand the fresh-issue and OFS components and the disclosed use of proceeds.
• Read the risk factors: Focus on the issues that could affect the company’s operations or finances.
• Consider your own plan: Decide how the investment fits your goals, available money and existing portfolio.

High subscription is a measure of demand. It does not establish that the issue price is attractive or that the shares will rise after listing.

Source: SEBI, ICDR FAQs, guidance on understanding offer documents.

Terms associated with an IPO

These terms will help you read an offer document and follow an application:

Sources: SEBI Investor, Book-building Process; NSE, About Initial Public Offerings.

IPO vs NFO: How are they different?

An IPO offers shares in a company. A New Fund Offer, or NFO, is the initial offer of units in a new mutual fund scheme.

With IPO shares, you hold a direct ownership interest in the company. With mutual fund units, your investment forms part of a pooled portfolio managed according to the scheme’s investment objective.

An NFO’s starting unit price does not establish that the underlying investments are inexpensive. Understanding the scheme’s approach, costs and suitability matters more than its starting price. Read more about the difference between NFO and IPO.

Explore equity investing with Bajaj AMC

An IPO can spark your interest in the business behind a familiar name. With Bajaj AMC’s equity mutual funds, you can explore that interest through a portfolio of companies, with a fund manager taking care of the research and stock selection.

Two approaches give you different starting points:

Start with what interests you: the changes shaping businesses over time or a focused approach to large cap investing. Visit the scheme pages to see how those ideas translate into actual holdings, explore the investment approach and compare costs.

You can invest through an SIP or a one-time investment, subject to the scheme’s terms. Returns depend on the portfolio and market movements, so review the latest Riskometer and scheme documents alongside your goals and investment horizon.

Sources: Bajaj AMC’s official scheme pages and mutual fund investment information.

Conclusion

An Initial Public Offering gives investors access to a company’s shares as it enters the public market. Understanding what an IPO means involves more than knowing its full form: the pricing method, fresh-issue or OFS structure, application process and allotment rules help explain what you are buying.

For an IPO investment, start with the company’s business, financial statements and valuation. Then consider the offer alongside your goals and existing investments. The listing begins the company’s traded-market journey, while its future performance and the price you pay shape your investment outcome.

FAQs

What is the full form of IPO in the share market?

IPO stands for Initial Public Offering. In the share market, it refers to an unlisted company offering its shares to the public for the first time through a fresh issue, an offer for sale, or both.

What is the minimum amount for an IPO?

There is no fixed minimum amount for every IPO in India. The minimum investment depends on the IPO’s issue price and the minimum lot size specified in the offer document. Retail investors generally need to apply for at least one lot.

For example, if the issue price is ₹200 per share and one lot contains 75 shares, the amount for one lot is ₹15,000. For a cut-off application in a book-built mainboard IPO, the application amount is generally blocked using the upper end of the price band, subject to the offer’s terms.

This retail explanation applies to mainboard IPOs. SME IPOs follow the separate minimum application requirements explained above.

The figures shown are for illustrative purpose only

What is the main purpose of an IPO?

An IPO offers a company’s shares to the public for the first time and can raise capital through a fresh issue. The funds may be used for purposes such as business expansion, debt repayment or other objectives disclosed in the offer document. Proceeds from an offer for sale go to the selling shareholders.

Is an IPO profitable?

An IPO can result in a profit or a loss. The outcome depends on the issue price, the company’s performance, market conditions and the price at which you eventually sell. A listing gain is not assured.

How is IPO profit calculated?

Gross realised profit is calculated as:

(Sale price per share − issue price per share) × number of shares sold

If you receive 50 shares at ₹200 each and sell all of them at ₹230, the gross profit is ₹1,500 before charges and applicable taxes. A price increase while you still hold the shares is an unrealised gain.

The figures shown are for illustrative purpose only

Can I sell IPO shares on listing day?

Generally, allotted shares can be sold through a trading account once exchange trading begins, provided they are available for sale and are not subject to applicable restrictions. The sale depends on available buyers and the order’s execution price.

How can I check IPO allotment status?

Check the official registrar’s allotment page or the stock exchange’s IPO facility using the details it requests, such as PAN or application number. NSE also provides a facility to verify bid details and allotment information supplied by the registrar.

Does applying for more lots improve retail allotment chances?

In an oversubscribed mainboard retail category where valid applicants outnumber the minimum lots available, applying for more lots does not improve the chance of selection in the minimum-lot lottery. If sufficient shares remain after minimum-lot allocation, further allotment can follow the applicable proportionate process.

What happens to my money if I do not receive an allotment?

The blocked application money is unblocked if you receive no allotment. For partial allotment, the amount required for allotted shares is debited and the balance is released.

Can I change or cancel my IPO application?

Retail investors in mainboard IPOs can generally revise or cancel their bids within the issue period, following the applicable process and deadlines. SME IPO rules differ: downward bid modification and cancellation are not permitted under the revised SME bidding framework.

What is the difference between an IPO and an FPO?

An IPO is an unlisted company’s first public offering. A Further Public Offer, or FPO, is a subsequent public offering by a company that is already listed.